Service difficulty report · Torque Box · Boeing 75724APF

Difficulty date
April 26, 2026
Submitted
May 20, 2026
Operation
Air carrier
Aircraft
N440UP
Make and model
Boeing 75724APF
Aircraft serial
25471
Aircraft time
31,609 hours, 20,835 cycles
Part
Torque Box
Part number
175N20014
Condition
Damaged
Location
Zone 600
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE R/H LWR FWD TORQUE BOX PANEL HAS A DELAMINATED / DISBONDED AREA (1EA) NEAR THE BOTTOM OF THE PANEL. ALL DAMAGE MARKED IN RED.ACCOMPLISH REPAIR IAW SRM REV 124 CHAPTER 51-70-10-2R-2, SRM 51-70-10-2R-0 REPAIR GENERAL PER SRM 55-30-01-2R-5 TO ACCOMPLISH REPAIR TO ONE SKIN AND CORE.

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